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Ornstein-Uhlenback type Omega model |
Xiulian WANG1,Wei WANG1,*(),Chunsheng ZHANG2 |
1. College of Mathematical Science, Tianjin Normal University, Tianjin 300387, China 2. School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071, China |
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Abstract We consider the Omega model with underlying Ornstein-Uhlenbeck type surplus process for an insurance company and obtain some useful results. Explicit expressions for the expected discounted penalty function at bankruptcy with a constant bankruptcy rate and linear bankruptcy rate are derived. Based on random observations of the surplus process, we examine the differentiability for the expected discounted penalty function at bankruptcy especially at zero. Finally, we give the Laplace transforms for occupation times as an important example of Li and Zhou [Adv. Appl. Probab., 2013, 45(4): 1049–1067].
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Keywords
Omega model
Ornstein-Uhlenbeck type Omega model
probability of bankruptcy
Gerber-Shiu function at bankruptcy
occupation time
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Corresponding Author(s):
Wei WANG
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Issue Date: 17 May 2016
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